Comm Port Messages
A Comm Port Address notification type sends an alphanumeric message to a communications port.
Notifications can be dumped to a communications port.
Note: Text tokens can be used in this type of notification to specify a dynamic message using data from the data Point Service, the Current Value Service, or the Facility Service. See Using Tokens in Notifications for more information.
GNS Configuration File Keywords
The following keywords must be configured to enable Comm port notification messages. See the Comm Port Msg Keywords for more information.
| Keyword | Description |
|---|---|
|
COMM_PORT_MSG_PORT |
Specifies port(s) to be used for Comm port notifications. Use spaces to separate multiple ports (COM1 COM2 COM3 COM4). Note: There is no checking for conflicts with modem ports. |
|
COMM_PORT_MSG_SPEED |
The port speed. This applies to all Comm ports specified by COM_PORT_MSG_PORT. |
|
COMM_PORT_MSG_PARITY |
The parity bit in each character. This applies to all Comm ports specified by COM_PORT_MSG_PORT. |
|
COMM_PORT_MSG_DATABITS |
The number of data bits in each character. This applies to all Comm ports specified by COM_PORT_MSG_PORT. |
|
COMM_PORT_MSG_STOPBITS |
The stop bits to send at the end of every character. This applies to all Comm ports specified by COM_PORT_MSG_PORT. |

